metamorpherrat | 4c16d4255077e312e81bdaff984b65fab478179e7c302be88e01a40648026d9d

Analysis

max time kernel
120s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 02:55

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General

Target
85179dcefb0ad2d2d5049c53d093e700N.exe
Size 78KB
Sample240727-depsbasgmq
SHA256 4c16d4255077e312e81bdaff984b65fab478179e7c302be88e01a40648026d9d
MD5 85179dcefb0ad2d2d5049c53d093e700
SHA1 fa2570fd80b7366207c2eaa307a8b930e1b8e866
SHA512 1b9e56e6cfe66b20eeba4e8672f7d947c6e10be3f78502bc7fcbc620055ce7ea92f09d0d2ae291819999217c7bc3d0261c5a27b1554566028011301327331646
SSDEEP 1536:NHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtk9/op1RA:NHFonhASyRxvhTzXPvCbW2Uk9/oW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

metamorpherrat discovery persistence rat stealer trojan

Malware Config

Signatures

MetamorpherRAT
Metamorpherrat is a hacking tool that has been around for a while since 2013.
trojan rat stealer metamorpherrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	85179dcefb0ad2d2d5049c53d093e700N.exe

Executes dropped EXE 1 IoCs

pid	Process
316	tmp78F9.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp78F9.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp78F9.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85179dcefb0ad2d2d5049c53d093e700N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3932	85179dcefb0ad2d2d5049c53d093e700N.exe
Token: SeDebugPrivilege	316	tmp78F9.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 4608	3932	85179dcefb0ad2d2d5049c53d093e700N.exe	85
PID 3932 wrote to memory of 4608	3932	85179dcefb0ad2d2d5049c53d093e700N.exe	85
PID 3932 wrote to memory of 4608	3932	85179dcefb0ad2d2d5049c53d093e700N.exe	85
PID 4608 wrote to memory of 2080	4608	vbc.exe	89
PID 4608 wrote to memory of 2080	4608	vbc.exe	89
PID 4608 wrote to memory of 2080	4608	vbc.exe	89
PID 3932 wrote to memory of 316	3932	85179dcefb0ad2d2d5049c53d093e700N.exe	90
PID 3932 wrote to memory of 316	3932	85179dcefb0ad2d2d5049c53d093e700N.exe	90
PID 3932 wrote to memory of 316	3932	85179dcefb0ad2d2d5049c53d093e700N.exe	90

C:\Users\Admin\AppData\Local\Temp\85179dcefb0ad2d2d5049c53d093e700N.exe
"C:\Users\Admin\AppData\Local\Temp\85179dcefb0ad2d2d5049c53d093e700N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\uos9cmna.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4608
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7A9E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4BCFF4F6F9204328989DB9C9C92A7D5E.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2080
- C:\Users\Admin\AppData\Local\Temp\tmp78F9.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp78F9.tmp.exe" C:\Users\Admin\AppData\Local\Temp\85179dcefb0ad2d2d5049c53d093e700N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

RES7A9E.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES7A9E.tmp
Size 1KB
SHA256 457942026fbdd48df4326f854cfc0f275be4e1e4c82d2ad737c070b2a9ca4de6
MD5 27736979b520c0e922a500b42efd7dc7
SHA1 26a8209e0f8b6f12ba50b567a1e92ed0528cf8b0
SHA512 23a5f9c3431cd67409b76114150552a11ec5d5270ff538f386b362df862543904485463d80e3d421e84126ef1d9a9568c851a7c88c12bfb29a2815c5db560eb0
MD5 SHA1 SHA512

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tmp78F9.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp78F9.tmp.exe
Size 78KB
SHA256 9f51890753d3c7adf1ae1e45f8d9eda55f443e4dd3a55b6ff7417b6e2521de60
MD5 ed040e015b25fa32500d23132508f57a
SHA1 34f53ee34afa4a54316eac41e4067173e78c7725
SHA512 efce091a88b46cfe9896fc56de718e23357a115600dc360c979f9e46ef90fd718205edb0a8b427ab44b827875e021f9501d32c24e8b444bfe5bc2fe10056298d
SSDEEP 1536:Oy5jIXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6Dd9/01A9:Oy5jQSyRxvhTzXPvCbW2Uh9/p
MD5 SHA1 SHA512 SSDEEP

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uos9cmna.0.vb

Path C:\Users\Admin\AppData\Local\Temp\uos9cmna.0.vb
Size 15KB
SHA256 110658879e84bf3e788e2d88c3fe9d8cd9fa74b5b06c55e3ad730c244ce4bc52
MD5 90ef1f981900febf5098f12a9ab87c65
SHA1 d231b6438d7dcabc0991a23d4524df9bd89f763d
SHA512 7b3a193e054475d1893d5614455decc9eb2df7ced1ab9aed8f5a66b9262a203fc3c744d3372bf7306db0ac57a7951b848eb9b38acd64d1a9dc2bab0624ad6006
SSDEEP 384:rhNXN7INC2NgNGQBBSNHN9dcHbpE6NKzN7Q+SN7eP:fdwCqIYt9dcHxKhP+m
MD5 SHA1 SHA512 SSDEEP

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uos9cmna.cmdline

Path C:\Users\Admin\AppData\Local\Temp\uos9cmna.cmdline
Size 266B
SHA256 28c2a101089fb319c0212f3bf3431d55d7b84f2f83eadd5898e330551d359c05
MD5 3d398857aadb0a9725e279eb0ce94a64
SHA1 5729a8fd8025272c0b5b978a3620cc50cb33de7d
SHA512 6af9a289f51645ce9c52651e421790031ae292218257388c69471a6cbdcefebc37b9e834531f45066388bb2c0a3d12d7b88a8de80ea366240dcf373e77a6d8fe
MD5 SHA1 SHA512

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vbc4BCFF4F6F9204328989DB9C9C92A7D5E.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc4BCFF4F6F9204328989DB9C9C92A7D5E.TMP
Size 660B
SHA256 f293a6579094bfa8c596db31d40a9d70f29f345ebb388e8311ca2901ef77efc5
MD5 628e0dec4f1672d006228ce215577a39
SHA1 d38c23bc36d7af23228d93347e5cb8bd522aa77f
SHA512 93511bce3d8fa6d62420ad17eb26202beed60a01233dc32e41c0d13fd358a107e541564c74cd1edbc0cb9a793529171ca37878c3fef885018c523f9f5db0d465
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7
MD5 8fd8e054ba10661e530e54511658ac20
SHA1 72911622012ddf68f95c1e1424894ecb4442e6fd
SHA512 c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c
SSDEEP 1536:MXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtQ:0SyRxvhTzXPvCbW2UQ
MD5 SHA1 SHA512 SSDEEP

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memory/316-23-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/316-24-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/316-26-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/316-27-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/316-28-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/3932-2-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/3932-1-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/3932-22-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/3932-0-0x0000000075432000-0x0000000075433000-memory.dmp

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memory/4608-8-0x0000000075430000-0x00000000759E1000-memory.dmp

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memory/4608-18-0x0000000075430000-0x00000000759E1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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